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Finding the Fourth Proportional to 506,014.20, 759,145.86 and 356,546.38

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Solution

The fourth proportional to 506,014.20, 759,145.86 and 356,546.38 is: 534,907.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,014.20 : 759,145.86 = 356,546.38 : x
  2. Step 2: Convert to fraction form
    506,014.20/759,145.86 = 356,546.38/x
  3. Step 3: Cross multiply
    506,014.20x = 759,145.86 × 356,546.38
  4. Step 4: Simplify right side
    506,014.20x = 270,670,708,274.99
  5. Step 5: Solve for x
    x = 270,670,708,274.99/506,014.20
  6. Step 6: Final answer
    x = 534,907.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.